Daikin RXYQ96PYDN, Руководство по обслуживанию

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SiUS34-801A_b Test Operation
VRVIII R-410A Heat Recovery 60Hz 235
[Remote controller displays malfunction code]
Note: If any malfunction codes other than the above are displayed, check the service
manual for proper procedure.
10.2.7 Onsite Settings
Note:
In the case of a multi system, all onsite settings should be made on the master unit. Settings made
on subunits are invalid.
The outside unit to which the indoor unit transmission wires are connected is the master unit, and
all other units are subunits.
Use the push button switches (BS1 through BS5) on the outside unit PC board (A1P) to make the
necessary onsite settings.
See the [
Service Precautions] label (upper) on the Electrical Components Boxlid for details on
the positions and operating method of the push button switches and on the onsite setting.
Make sure to record the setting on the accessory REQUEST FOR THE INDICATION” label.
Warning Electric Shock Warning
Use an insulated rod to operate the push buttons via the inspection door of the Electrical
Components Box lid.
Avoid touching any live parts as this operation takes place with the power on.
10.2.8 Test Run
10.2.8.1 Before test run
Make sure the following works are completed in accordance with the installation manual.
Piping work
Wiring work
Air tight test
Vacuum drying
Additional refrigerant charge
Check operation
Check that all work for the BS and indoor unit is finished and that there is no danger to operate.
Malfunction
code
Installation error Remedial action
E3, E4
F3, F6
UF
The shutoff valve of the outside unit is left
closed.
Open the shutoff valve.
U1
The phases of the power to the outside
unit is reversed. Exchange two of the three phases (L1, L2, L3) to make a
proper connection.
U1
U4
LC
No power is supplied to an outside, BS or
indoor unit (including phase interruption). Make sure the power source wire is properly connected to
the outside, BS or indoor unit and revise if necessary.
UF
There is conflict on the connection of
transmission wiring in the system. Check if the refrigerant piping line and the transmission
wiring are consistent with each other.
E3
F6
UF
Refrigerant overcharge.
Recalculate the additional amount refrigerant from the
piping length and correct the refrigerant charge level by
recovering any excessive refrigerant with a refrigerant
recovery machine.
E4
F3
Insufficient refrigerant.
Check if the additional refrigerant charge has been
finished correctly.
Recalculate the additional refrigerant amount from the
piping length and add the adequate amount.
U7, U4
UF, UH
Field wiring is connected to TO MULTI
UNIT (Q1,Q2) terminal on the outside unit
PC-board (A1P) when the system is one
outdoor system.
Remove the line from the TO MULTI UNIT (Q1,Q2)
terminal.